给aardio的plus编辑框加上 得到焦点 失去焦点 按下回车键 三个消息的响应处理_电脑编程入门教程

import win.ui;

/*DSG{{*/

var winform = win.form(text="简码编程 jianma123.com";right=422;bottom=269)

winform.add(

edit={cls="edit";text="";left=52;top=106;right=346;bottom=206;edge=1;multiline=1;z=2};

plusSearBox={cls="plus";text="请输入搜索关键词";left=53;top=56;right=344;bottom=84;align="left";border={bottom=1;color=-16777216};editable=1;notify=1;z=1}

)

/*}}*/



import console;

winform.plusSearBox.editBox.wndproc = function(hwnd,message,wParam,lParam){

    if(message==0x101/*_WM_KEYUP*/){

          if(wParam==0xD/*_VK_RETURN*/){

            winform.edit.text = "你搜索的关键词是:" + winform.plusSearBox.text;

            winform.plusSearBox.text = "";

            winform.edit.setFocus();

          }

    }

    

    if( message == 0x7/*_WM_SETFOCUS*/){ 

       //console.log(winform.plusSearBox.text)

       //console.log("获得焦点")

       if(winform.plusSearBox.text=="请输入搜索关键词"){

               winform.plusSearBox.text = "";

       }

    }

    

    if( message == 0x8/*_WM_KILLFOCUS*/){ 

       //console.log(winform.plusSearBox.text)

       //console.log("失去焦点")

       if(winform.plusSearBox.text==""){

               winform.plusSearBox.text = "请输入搜索关键词";

       }

    }

    //无返回值则继续调用默认回调函数

}



winform.show() 

win.loopMessage();